Device and method for use in non-terrestrial network

Intelligent metasurfaces in non-terrestrial networks improve communication reliability and coverage by selecting optimal paths for signal reflection, addressing issues of obstructions and satellite movement.

US20260128785A1Pending Publication Date: 2026-05-07SONY GROUP CORP
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Patent Information

Authority / Receiving Office
US · United States
Patent Type
Applications(United States)
Current Assignee / Owner
SONY GROUP CORP
Filing Date
2023-11-06
Publication Date
2026-05-07

AI Technical Summary

Technical Problem

Non-terrestrial networks face challenges in maintaining reliable and accurate data transmission due to obstructions such as high buildings and fast-moving satellites, which traditional wireless communication systems struggle to overcome effectively.

Method used

The use of intelligent metasurfaces as relay nodes to select optimal paths for communication between user equipment and network devices in non-terrestrial networks, utilizing ephemeris information and identifiers of satellites and metasurfaces to determine communication paths that enhance signal reflection and improve coverage.

Benefits of technology

Enhances communication reliability and accuracy by providing reflective links that compensate for obstructions and satellite movement, extending service duration and increasing network coverage.

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Abstract

The present disclosure relates to devices and methods for use in non-terrestrial networks. A method for a user equipment in a non-terrestrial network is described. The non-terrestrial network includes a network device capable of communicating with the user equipment, a satellite, and a plurality of intelligent metasurfaces. The method may include: receiving system relevant information of the non-terrestrial network from the network device, the system relevant information including at least ephemeris information of the satellite, and identifiers and locations of one or more intelligent metasurfaces associated with the satellite among a plurality of intelligent metasurfaces; determining a path for the user equipment to communicate with the network device based at least on the received system relevant information, the determined path passing through one of the one or more intelligent metasurfaces; and communicating with the network device via the determined path.
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